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    • 57. 发明申请
    • Methods and apparatus for information integration in accordance with web services
    • 根据Web服务进行信息集成的方法和装置
    • US20060265352A1
    • 2006-11-23
    • US11133540
    • 2005-05-20
    • Mao ChenMitchell CohenRakesh Mohan
    • Mao ChenMitchell CohenRakesh Mohan
    • G06F17/30
    • G06F16/951
    • Techniques are disclosed for improved information integration in accordance with information sources such as web services in a distributed information system. For example, a technique for processing a query obtained from a user in an information integration system, wherein the information integration system is associated with a database and one or more information sources, comprises the following steps/operations. The user query is transformed to one or more queries valid with respect to one or more of the information sources associated with the database. Based on the one or more transformed queries, a query plan executable on the database is generated, wherein at least a portion of results returned to the user in response to the query are based on at least a portion of results returned from execution of the query plan. In one embodiment, the information sources may be web services. Further, a number, a nature and/or an identity of the one or more information sources may be dynamic or change over time.
    • 公开了根据诸如分布式信息系统中的web服务的信息源改进信息集成的技术。 例如,用于处理从信息集成系统中的用户获得的查询的技术,其中信息集成系统与数据库和一个或多个信息源相关联,包括以下步骤/操作。 用户查询被转换为关于与数据库相关联的一个或多个信息源有效的一个或多个查询。 基于一个或多个变换查询,生成可在数据库上执行的查询计划,其中响应于该查询返回给用户的结果的至少一部分基于从查询执行返回的结果的至少一部分 计划。 在一个实施例中,信息源可以是web服务。 此外,一个或多个信息源的数量,性质和/或身份可以是动态的或随时间改变。